National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

1°F

-17°C

Humidity 79%
Wind Speed Calm
Barometer 30.54 in (1034.1 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 21 Jan 5:53 am EST
Extended Forecast for

2 Miles SSE White Horse NJ

  • Today

    Today: Increasing clouds, with a high near 36. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 36 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, then gradual clearing toward daybreak, with a low around 30. Southwest wind around 10 mph.

    Low: 30 °F

    Clearing Late

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind around 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.

    Low: 11 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Snow. High near 20. Chance of precipitation is 80%.

    High: 20 °F

    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 36. Light south wind increasing to 5 to 10 mph in the afternoon.
Tonight
Cloudy, then gradual clearing toward daybreak, with a low around 30. Southwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 44. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind around 5 mph.
Friday
Partly sunny, with a high near 35. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Partly sunny, with a high near 18.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.
Sunday
Snow. High near 20. Chance of precipitation is 80%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Monday
A chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE White Horse NJ
 40.17°N 74.71°W (Elev. 7 ft)
Last Update:
4:11 am EST Jan 21, 2026
Forecast Valid:
6am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation